feat(frontend): useSessionStream (EventSource -> store)

2026-06-28 12:19:55 +02:00
parent ebd3988634
commit d238ddd395
3 changed files with 75 additions and 0 deletions
@@ -0,0 +1,28 @@
+import { renderHook } from "@testing-library/react";
+import { act } from "react";
+import { FakeEventSource } from "../test/fakeEventSource";
+import { useSessionStream } from "./useSessionStream";
+import { useSessionStore } from "../store/sessionStore";
+
+beforeEach(() => {
+  FakeEventSource.instances = [];
+  (globalThis as any).EventSource = FakeEventSource;
+  useSessionStore.getState().resetSession();
+});
+
+test("opens an EventSource for the session and feeds events to the store", () => {
+  renderHook(() => useSessionStream("s1"));
+  const es = FakeEventSource.instances[0];
+  expect(es.url).toContain("/sessions/s1/events");
+  act(() =>
+    es.emit({ type: "ui_request", ui_request: { id: "u1", widget: "select" } })
+  );
+  expect(useSessionStore.getState().pendingWidget?.id).toBe("u1");
+});
+
+test("closes the stream on unmount", () => {
+  const { unmount } = renderHook(() => useSessionStream("s1"));
+  const es = FakeEventSource.instances[0];
+  unmount();
+  expect(es.closed).toBe(true);
+});